• We designed this machine to be powerful, yet energy efficient.
• Ductile cast iron spindle housing is large in diameter [9 in. (229 mm) at the base] to dissipate impact loads. Dual tapered roller bearings last up to six times longer than ball bearings.
• The optional, factory installed, permanent safety cab protects the operator with a four-post rollover protection structure (ROPS), tempered safety glass, and climate controlled environment including both air conditioning and heater.
• 4-way adjustable seat and air-ride suspension isolate the operator platform to reduce noise and vibration.
• The ability to mow a 0" (0 cm) uncut circle - without wheel brakes - allows you to easily mow striping patterns without leaving any grass uncut.
• One Groundsmaster 5900 has the equivalent production of two 11 ft (3.4m) mowers or four 6 ft (1.8m) out front rotaries.
• The onboard InfoCenter™ gives the operator a quick read on all systems and even provides assistance at the right moment.
• 3.3L (202cu. in.) Yanmar Tier 4 Final Compliant turbo-diesel engine, 72 HP (53.7kW) @2500 rpm, 206 lb. ft. (279 Nm) torque @1625 rpm, B20 diesel compatible.
• With the ability to mow widths ranging from 57" (145 cm) to 192" (487 cm) the Groundsmaster 5900 has the flexibility necessary for nearly any mowing need.
• Automatically adjusts the mower’s ground speed for the cutting conditions.
• Belts transfer power more efficiently than hydraulic motors while adding a layer of protection against hydraulic failures. Large diameter spindle housing dissipates impact loads, and dual tapered roller bearings last up to six times longer than ball bearings.
• The SmartCool™ system prevents over-heating with auto-reversing cooling fans.
• CrossTrax® all-wheel drive system offers increased cross wheel traction control.

The Groundsmaster® 5910-D rotary mower offers an impressive 16' (4.88 meter) cutting width for making quick work of even the largest jobs. Equipped with a 72 hp (53.7 kW) diesel engine, the 5910-D is powerful and efficient. The onboard InfoCenter™ provides diagnostics to identify potential maintenance issues. These features, along with the SmartCool™ system with an auto-reversing cooling fan, ensure a long, productive life. Operators stay comfortable no matter the weather in the climate-controlled safety cab.